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annotate src/content.c @ 167:7ba337dafb2c noffle

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[svn] * TODO,content.c,lock.c,server.c,server.h: Remove bug notice re: need to do a Cont_write on Lock_closeDatabases in case of unwritten content changes when releasing the lock. Update content to keep dirty flag and avoid unnecessary writes, and lock to signal server to re-read its group content info after the lock is released. Do NOT write content info on Lock_close if dirty, as the placeholder article in unsubscribed groups is currently done by adding it to the content when joining the group and deliberately not saving it unless another content modification takes place and thus causes the content to be saved.
author bears
date Sun, 25 Feb 2001 23:29:50 +0000
parents 988cacc01470
children fed1334d766b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
43
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1 /*
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2 content.c
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3
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4 $Id: content.c 260 2001-02-25 23:29:50Z bears $
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5 */
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6
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7 #if HAVE_CONFIG_H
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8 #include <config.h>
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9 #endif
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10
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11 #include <stdio.h>
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12 #include <dirent.h>
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13 #include <fcntl.h>
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14 #include <sys/types.h>
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15 #include <sys/stat.h>
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16 #include <unistd.h>
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17 #include "common.h"
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18 #include "configfile.h"
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19 #include "group.h"
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20 #include "log.h"
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21 #include "over.h"
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22 #include "pseudo.h"
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23 #include "util.h"
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24 #include "content.h"
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25 #include "portable.h"
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26
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27 struct
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28 {
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29 DIR *dir; /* Directory for browsing through all
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30 groups */
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31 int vecFirst; /* First article number in vector */
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32 int first; /* First live article number */
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33 int last; /* Last article number */
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34 int size; /* Number of overviews. */
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35 int max; /* Size of elem. */
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36 Over **elem; /* Ptr to array with ptrs to overviews.
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37 NULL entries for non-existing article numbers
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38 in group. */
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39 Str name;
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40 Str file;
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41 Bool dirty; /* Needs writing? */
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42 } cont = { NULL, 1, 1, 0, 0, 0, NULL, "", "", FALSE };
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44 void
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45 Cont_app( Over *ov )
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46 {
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47 if ( cont.max < cont.size + 1 )
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48 {
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49 if ( ! ( cont.elem = realloc( cont.elem,
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50 ( cont.max + 500 )
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51 * sizeof( cont.elem[ 0 ] ) ) ) )
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52 {
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53 Log_err( "Could not realloc overview list" );
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54 exit( EXIT_FAILURE );
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55 }
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56 cont.max += 500;
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57 }
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58 ASSERT( cont.vecFirst > 0 );
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59 if ( ov )
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60 Ov_setNumb( ov, cont.vecFirst + cont.size );
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61 cont.elem[ cont.size++ ] = ov;
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62 cont.last = cont.vecFirst + cont.size - 1;
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63 cont.dirty = TRUE;
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64 }
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65
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66 Bool
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67 Cont_validNumb( int n )
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68 {
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69 return ( n != 0 && n >= cont.first && n <= cont.last
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70 && cont.elem[ n - cont.vecFirst ] );
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71 }
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72
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73 void
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74 Cont_delete( int n )
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75 {
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76 Over **ov;
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77
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78 if ( ! Cont_validNumb( n ) )
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79 return;
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80 ov = &cont.elem[ n - cont.vecFirst ];
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81 free( *ov );
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82 *ov = NULL;
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83 cont.dirty = TRUE;
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84 }
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85
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86 /* Remove all overviews from content. */
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87 static void
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88 clearCont( void )
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89 {
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90 int i;
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91
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92 for ( i = 0; i < cont.size; ++i )
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93 del_Over( cont.elem[ i ] );
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94 cont.size = 0;
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95 }
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96
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97 static void
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98 setupEmpty( const char *name )
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99 {
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100 cont.last = Grp_last( name );
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101 cont.first = cont.vecFirst = cont.last + 1;
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102 ASSERT( cont.first > 0 );
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103 }
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104
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105 /* Extend content list to size "cnt" and append NULL entries. */
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106 static void
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107 extendCont( int cnt )
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108 {
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109 int i, n;
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110
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111 if ( cont.size < cnt )
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112 {
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113 n = cnt - cont.size;
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114 for ( i = 0; i < n; ++i )
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115 Cont_app( NULL );
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116 }
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117 }
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118
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119 /* Discard all cached overviews, and read in the overviews of a new group
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120 from its overviews file. */
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121 void
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122 Cont_read( const char *name )
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123 {
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diff changeset
124 FILE *f;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
125 Over *ov;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
126 int numb;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
127 Str line;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
128
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
129 /* Delete old overviews and make room for new ones. */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
130 cont.vecFirst = 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
131 cont.first = 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
132 cont.last = 0;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
133 Utl_cpyStr( cont.name, name );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
134 clearCont();
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
135
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
136 /* read overviews from overview file and store them in the overviews
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
137 list */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
138 snprintf( cont.file, MAXCHAR, "%s/overview/%s", Cfg_spoolDir(), name );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
139 f = fopen( cont.file, "r" );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
140 if ( ! f )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
141 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
142 Log_dbg( "No group overview file: %s", cont.file );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
143 setupEmpty( name );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
144 return;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
145 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
146 Log_dbg( "Reading %s", cont.file );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
147 while ( fgets( line, MAXCHAR, f ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
148 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
149 if ( ! ( ov = Ov_read( line ) ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
150 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
151 Log_err( "Overview corrupted in %s: %s", name, line );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
152 continue;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
153 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
154 numb = Ov_numb( ov );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
155 if ( numb < cont.first )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
156 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
157 Log_err( "Wrong ordering in %s: %s", name, line );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
158 continue;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
159 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
160 if ( cont.first == 0 )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
161 cont.first = cont.vecFirst = numb;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
162 cont.last = numb;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
163 extendCont( numb - cont.first + 1 );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
164 cont.elem[ numb - cont.first ] = ov;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
165 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
166 fclose( f );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
167
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
168 if ( cont.first == 0 )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
169 setupEmpty( name ); /* Corrupt overview file recovery */
96
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
170 else
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
171 {
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
172 int grpLast;
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
173
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
174 /*
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
175 Check for end article(s) being cancelled. Need to ensure we
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
176 don't re-use and article number.
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
177 */
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
178 grpLast = Grp_last( name );
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
179 if ( cont.last < grpLast )
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
180 extendCont( grpLast - cont.first + 1 );
988cacc01470 [svn] Preserve group last number if last article(s) cancelled
bears
parents: 75
diff changeset
181 }
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
182 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
183
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
184 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
185 Cont_write( void )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
186 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
187 Bool anythingWritten;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
188 int i;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
189 FILE *f;
75
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
190 const Over *ov, *ov_next;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
191
167
7ba337dafb2c [svn] * TODO,content.c,lock.c,server.c,server.h: Remove bug notice re:
bears
parents: 96
diff changeset
192 /* If nowt has changed, do nowt. */
7ba337dafb2c [svn] * TODO,content.c,lock.c,server.c,server.h: Remove bug notice re:
bears
parents: 96
diff changeset
193 if ( ! cont.dirty )
7ba337dafb2c [svn] * TODO,content.c,lock.c,server.c,server.h: Remove bug notice re:
bears
parents: 96
diff changeset
194 return;
7ba337dafb2c [svn] * TODO,content.c,lock.c,server.c,server.h: Remove bug notice re:
bears
parents: 96
diff changeset
195
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
196 /* Save the overview */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
197 if ( ! ( f = fopen( cont.file, "w" ) ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
198 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
199 Log_err( "Could not open %s for writing", cont.file );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
200 return;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
201 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
202 Log_dbg( "Writing %s (%lu)", cont.file, cont.size );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
203 anythingWritten = FALSE;
49
5ecb646acf97 [svn] Article numbering bug fixes
bears
parents: 45
diff changeset
204 cont.first = -1;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
205 for ( i = 0; i < cont.size; ++i )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
206 {
75
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
207 ov = cont.elem[ i ];
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
208 if ( ov )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
209 {
75
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
210 if ( i + 1 < cont.size )
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
211 ov_next = cont.elem[ i + 1 ];
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
212 else
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
213 ov_next = NULL;
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
214
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
215 /*
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
216 Preserve gen info if it is followed immediately by an
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
217 article with the next number. In practice, this means
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
218 that when in auto-subscribed mode, the gen info will
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
219 remain until the 'group now subscribed' message is
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
220 expired.
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
221 */
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
222 if ( ! Pseudo_isGeneralInfo( Ov_msgId( ov ) )
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
223 || ( ov_next != NULL &&
22b3e3dfc8c2 [svn] Preserve gen info sometimes
bears
parents: 59
diff changeset
224 Ov_numb( ov_next ) - Ov_numb( ov ) == 1 ) )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
225 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
226 if ( ! Ov_write( ov, f ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
227 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
228 Log_err( "Writing of overview line failed" );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
229 break;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
230 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
231 else
49
5ecb646acf97 [svn] Article numbering bug fixes
bears
parents: 45
diff changeset
232 {
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
233 anythingWritten = TRUE;
49
5ecb646acf97 [svn] Article numbering bug fixes
bears
parents: 45
diff changeset
234 if ( cont.first < 0 )
5ecb646acf97 [svn] Article numbering bug fixes
bears
parents: 45
diff changeset
235 cont.first = cont.vecFirst + i;
5ecb646acf97 [svn] Article numbering bug fixes
bears
parents: 45
diff changeset
236 }
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
237 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
238 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
239 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
240 fclose( f );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
241
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
242 /*
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
243 If empty, remove the overview file and set set first to one
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
244 beyond last to flag said emptiness.
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
245 */
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
246 if ( ! anythingWritten )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
247 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
248 unlink( cont.file );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
249 cont.first = cont.last + 1;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
250 }
167
7ba337dafb2c [svn] * TODO,content.c,lock.c,server.c,server.h: Remove bug notice re:
bears
parents: 96
diff changeset
251
7ba337dafb2c [svn] * TODO,content.c,lock.c,server.c,server.h: Remove bug notice re:
bears
parents: 96
diff changeset
252 cont.dirty = FALSE;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
253 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
254
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
255 const Over *
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
256 Cont_get( int numb )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
257 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
258 if ( ! Cont_validNumb( numb ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
259 return NULL;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
260 return cont.elem[ numb - cont.vecFirst ];
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
261 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
262
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263 int
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264 Cont_first( void ) { return cont.first; }
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265
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266 int
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267 Cont_last( void ) { return cont.last; }
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268
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269 int
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270 Cont_find( const char *msgId )
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271 {
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272 int i;
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273 const Over *ov;
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274
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275 for ( i = 0; i < cont.size; i++ )
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276 {
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277 if ( ( ov = cont.elem[ i ] )
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278 && strcmp( Ov_msgId( ov ), msgId ) == 0 )
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279 return i + cont.vecFirst;
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280 }
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281
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282 return -1;
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283 }
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284
43
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285 const char *
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286 Cont_grp( void ) { return cont.name; }
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287
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288 Bool
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289 Cont_nextGrp( Str result )
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290 {
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291 struct dirent *d;
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292
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293 ASSERT( cont.dir );
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294 if ( ! ( d = readdir( cont.dir ) ) )
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295 {
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296 cont.dir = NULL;
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297 return FALSE;
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298 }
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299 if ( ! d->d_name )
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300 return FALSE;
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301 Utl_cpyStr( result, d->d_name );
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302 result[ MAXCHAR - 1 ] = '\0';
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303 return TRUE;
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304 }
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305
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306 Bool
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307 Cont_firstGrp( Str result )
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308 {
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309 Str name;
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310
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311 snprintf( name, MAXCHAR, "%s/overview", Cfg_spoolDir() );
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312 if ( ! ( cont.dir = opendir( name ) ) )
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313 {
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314 Log_err( "Cannot open %s", name );
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315 return FALSE;
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316 }
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317 Cont_nextGrp( result ); /* "." */
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318 Cont_nextGrp( result ); /* ".." */
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319 return Cont_nextGrp( result );
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320 }